accuracy English · revision 6538

+ {{infobox|confidence=established|formation=derivation|attested=1644|origins=la cura}}

+

+ ==Pronunciation==

+ * IPA: /ˈak.jʊ.ɹə.si/, /ˈak.jə.ɹə.si/ ''(UK)''; /ˈæk.jɚ.ə.si/ ''(US)''^(Wiktionary)

+

+ ==Etymology==

+ It is formed from [[accurate]] and the suffix [[-acy]].^(Etymonline)^(MWU 2024)^(SOED 2002)

+

+ ==Earliest recorded meaning==

+ The state of being exact or precise: 1644 in MWU, 1662 in the OED, the 1660s in Etymonline.^(MWU 2024)^(OED 1989)^(Etymonline)

+

+ ==Semantic evolution==

+ Conformity to truth or to a standard is part of the earliest sense.^(Etymonline)^(OED 1989) In science, accuracy is the degree of agreement between a measured value and the true value, distinct from [[precision]].^(Collins 2023)^(SOED 2002)

+

+ ==Timeline==

+ * 1644 – first known use (MWU).^(MWU 2024)

+ * 1662 – precision, exactness (OED).^(OED 1989)

+

+ ==Modern meaning==

+ ===Noun===

+ # The quality of being correct, exact or true.^(AHD)^(Collins 2023)

+ # The ability to hit a target or perform without error: ''shooting accuracy''.^(AHD)^(Collins 2023)

+ # ''(science)'' The closeness of a measurement to the true value.^(Collins 2023)

+

+ ==Word family==

+ * [[hyperaccuracy]]

+

+ ==Related words==

+ * [[accurate]]

+ * [[inaccuracy]]

+ * [[cure]]

+ * [[curate]]

+

+ ==References==

+ {{reflist}}